Irving Penn and Rodchenko in Photographs auction

Aleksander Mikhailovich Rodchenko's 1929 photograph 'Steps' is estimated at $150,000 — 250,000 ahead of Sotheby's Photographs auction which will finish early next week.
An Irving Penn piece, 'Woman with Roses' (Lisa Fonssagrives-Penn) could also make as much as $250,000 at the auction which is taking place in New York on September 30th.